<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>登录</title>
	<style type="text/css">
		*{
			margin:0xp;
			padding:0xp;
		}
		body{
		    background:url("./css/bg.jpg") top center no-repeat;
		}
        div{
        	background:#fff;
        	width:300px;
        	margin-top:300px;
        	margin-left:auto;
        	margin-right:auto;
        	text-align: center;
        	border-radius:20px;
        }
        .text{
            height:25px;
            width:200px;
            margin-top:10px;
            margin-left:10px;
        }
        span{
        	display: inline-block;
        	width:60px;
        	text-align: right;
        }
        button{
        	display:inline-block;
        	margin-top:15px;
        	margin-bottom:10px;
        	width:60px;
        	height:30px;
        }
	</style>
</head>
<body>
     <div>
     	<form action="#" method="get">
         <span>用户名:</span><input class="text" type="text" name="username"><br>
      	 <span>密&nbsp;&nbsp;码:</span><input class="text" type="password" name="pwd"><br>
      	 <button type="submit">登录</button>
        </form>
      </div>

</body>
</html>